<!DOCTYPE html>
<!--
Copyright 2010 WebDriver committers
Copyright 2010 Google Inc.

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

     http://www.apache.org/licenses/LICENSE-2.0

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distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
-->
<html>
<head>
<title>events_test.html</title>
<script src="test_bootstrap.js"></script>
<script type="text/javascript">
  goog.require('bot.events');
  goog.require('bot.events.EventType');
  goog.require('bot.locators');
  goog.require('bot.userAgent');
  goog.require('goog.array');
  goog.require('goog.events');
  goog.require('goog.testing.jsunit');
  goog.require('goog.userAgent');
  goog.require('goog.userAgent.product');
</script>
</head>
<body>
<form>
  <input id="target" type="text">
</form>
<script type="text/javascript">
  var target = bot.locators.findElement({id: 'target'});

  /**
   * Fires an event of the given type on the target input box with the optional
   * event arguments and asserts the event was fired on the target. If a
   * listener is provided, it is applied to the event.
   */
  function fireAndTest(type, opt_args, opt_listener) {
    var fired = false, exception = null;
    goog.events.listenOnce(target, type.toString(), function(event) {
      fired = true;
      try {
        assertEquals(target, event.target);
        if (opt_listener) {
          opt_listener(event);
        }
      } catch (e) {
        // Save any exception here and rethrow them outside the listener;
        // otherwise the JS runner may not catch them and report the error.
        exception = e;
      }
    });
    bot.events.fire(target, type, opt_args);
    assertTrue('Event was not fired', fired);
    if (exception) {
      throw exception;
    }
  }

  function testCanFireEvent() {
    fireAndTest(bot.events.EventType.FOCUS);
  }

  function testCanFireMouseEvent() {
    fireAndTest(bot.events.EventType.MOUSEMOVE, {
      clientX: 0,
      clientY: 0,
      button: 0,
      altKey: false,
      ctrlKey: false,
      metaKey: false,
      relatedTarget: null,
      wheelDelta: 0
    });
  }

  function testCanFireKeyboardEvent() {
    fireAndTest(bot.events.EventType.KEYDOWN, {
      keyCode: 0,
      charCode: 0,
      altKey: false,
      ctrlKey: false,
      metaKey: false
    });
  }

  function testCanFireTouchEvent() {
    if (!goog.userAgent.product.CHROME && !goog.userAgent.Mobile) {
      return;
    }

    var touch = {
      identifier: 0,
      clientX: 0,
      clientY: 0,
      screenX: 0,
      screenY: 0,
      pageX: 0,
      pageY: 0
    };
    fireAndTest(bot.events.EventType.TOUCHSTART, {
      touches: [touch],
      targetTouches: [touch],
      changedTouches: [touch],
      altKey: false,
      ctrlKey: false,
      metaKey: false,
      relatedTarget: null,
      clientX: 0,
      clientY: 0,
      scale: 0,
      rotation: 0
    });
  }

  function testIsSynthentic() {
    fireAndTest(bot.events.EventType.CHANGE, {}, function(event) {
      assertTrue(bot.events.isSynthetic(event));
      assertTrue(bot.events.isSynthetic(event.getBrowserEvent()));
    });
  }

  function testRelatedTargetCorrectlySet() {
    var args = {
      clientX: 0,
      clientY: 0,
      button: 0,
      altKey: false,
      ctrlKey: false,
      metaKey: false,
      relatedTarget: document.body,
      wheelDelta: 0
    };

    fireAndTest(bot.events.EventType.MOUSEOUT, args, function(event) {
      assertEquals(args.relatedTarget, event.relatedTarget);
      // We are only able to set the native from/toElement on IE >= 8.
      if (goog.userAgent.IE && Object.defineProperty) {
        var nativeEvent = event.getBrowserEvent();
        assertEquals(target, nativeEvent.fromElement);
        assertEquals(args.relatedTarget, nativeEvent.toElement);
      }
    });

    fireAndTest(bot.events.EventType.MOUSEOVER, args, function(event) {
      assertEquals(args.relatedTarget, event.relatedTarget);
      // We are only able to set the native from/toElement on IE >= 8.
      if (goog.userAgent.IE && Object.defineProperty) {
        var nativeEvent = event.getBrowserEvent();
        assertEquals(args.relatedTarget, nativeEvent.fromElement);
        assertEquals(target, nativeEvent.toElement);
      }
    });
  }

  function testWheelDeltaCorrectlySet() {
    var args = {
      clientX: 0,
      clientY: 0,
      button: 0,
      altKey: false,
      ctrlKey: false,
      metaKey: false,
      relatedTarget: null,
      wheelDelta: 0
    };

    function fireMouseWheelAndTestWheelDeltaAndDetail(wheelDelta, detail) {
      fireAndTest(bot.events.EventType.MOUSEWHEEL, args, function(event) {
        var nativeEvent = event.getBrowserEvent();
        if ((goog.userAgent.IE && Object.defineProperty) ||
             goog.userAgent.WEBKIT || goog.userAgent.OPERA) {
          assertEquals(wheelDelta, nativeEvent.wheelDelta);
        } else if (goog.userAgent.IE && !Object.defineProperty) {
          assertEquals(wheelDelta, nativeEvent.detail);
        }
        if (goog.userAgent.GECKO || goog.userAgent.OPERA) {
          assertEquals(detail, nativeEvent.detail);
        }
      });
    }

    // Test a positive delta wheel scroll.
    args.wheelDelta = 120;
    fireMouseWheelAndTestWheelDeltaAndDetail(120, -3);

    // Test a negative delta wheel scroll.
    args.wheelDelta = -80;
    fireMouseWheelAndTestWheelDeltaAndDetail(-80, 2);
  }

  function testMousePixelScrollFiresCorrectlyOnlyOnFirefox() {
    var args = {
      clientX: 0,
      clientY: 0,
      button: 0,
      altKey: false,
      ctrlKey: false,
      metaKey: false,
      relatedTarget: null,
      wheelDelta: 15
    };

    if (goog.userAgent.GECKO) {
      fireAndTest(bot.events.EventType.MOUSEPIXELSCROLL, args, function(event) {
        assertEquals(15, event.getBrowserEvent().detail);
      });
    } else {
      assertThrows(function() {
        bot.events.fire(target, bot.events.EventType.MOUSEPIXELSCROLL, args);
      });
    }
  }
</script>
</body>
</html>
